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Macrophages attacking larva (microfilaria, white) of Wuchereria bancrofti, the causative agent of elephantiasis.
Coloured SEM of a macrophage engulfing a mauve Leishmania sp. parasite.
A flame cell, a plasma cell variant that overproduces IgA antibodies. IgA antibodies are loaded with carbohydrates which stain red with a routine Wright’s stain.